CN209868309U - Positioning shaft for grinding circular blade - Google Patents
Positioning shaft for grinding circular blade Download PDFInfo
- Publication number
- CN209868309U CN209868309U CN201920656713.1U CN201920656713U CN209868309U CN 209868309 U CN209868309 U CN 209868309U CN 201920656713 U CN201920656713 U CN 201920656713U CN 209868309 U CN209868309 U CN 209868309U
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- positioning
- positioning cylinder
- taper shank
- shaft
- cylinder
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- 238000000227 grinding Methods 0.000 title abstract description 15
- 210000001699 lower leg Anatomy 0.000 claims abstract description 25
- 230000037250 Clearance Effects 0.000 claims description 6
- 230000035512 clearance Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 241000283220 Odobenus rosmarus Species 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 3
- 238000010009 beating Methods 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
Abstract
A locating shaft for grinding a circular blade relates to the technical field of cutter processing and manufacturing. The utility model provides a current wearing and tearing circle blade have the problem that is difficult to guarantee the coping precision when carrying out its anterior angle of coping and relief angle. The utility model discloses a location axle main part, retaining ring and tight set nut, location axle main part includes the taper shank, axle body and positioning cylinder, the taper shank, axle body and positioning cylinder are coaxial setting in proper order from left to right, taper shank right-hand member face center is offered along location axle main part axis and is used for with outside pull rod complex screw hole, location cylinder excircle and circular knife piece hole cooperation, location cylinder right-hand member excircle processing and tight set nut matched with external screw thread, the retaining ring terminal surface is equipped with and fixes cylinder complex through-hole, the taper shank, axle body and positioning cylinder formula structure as an organic whole, two circular knife piece suits are on positioning cylinder, the retaining ring is located between two circular knife pieces, retaining ring and two circular knife pieces are fixed on location axle main part through tight set nut. The utility model is used for improve the coping precision of circular knife piece.
Description
Technical Field
The utility model relates to a cutter manufacturing technical field, concretely relates to positioning shaft is used in circular knife piece coping.
Background
Round inserts are standard carbide inserts used for turning and milling, and the cutting edge of the insert is worn and cannot be used any more. In order to improve the utilization rate of the circular blade, the worn circular blade is ground to the front angle and the rear angle, and then the worn circular blade is applied to rough cutting. However, the conventional round wear insert has a problem that it is difficult to ensure the sharpening accuracy when sharpening the rake angle and the relief angle thereof.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve present wearing and tearing circle blade and have the problem that is difficult to guarantee the coping precision when carrying out its anterior angle of coping and relief angle, and then provide a location axle for the circle blade coping.
The technical scheme of the utility model is that:
a positioning shaft for grinding a circular blade comprises a positioning shaft main body 1, a retainer ring 2 and a fastening nut 3, wherein the positioning shaft main body 1 comprises a taper shank 1-1, a shaft body 1-2 and a positioning cylinder 1-3, the taper shank 1-1, the shaft body 1-2 and the positioning cylinder 1-3 are coaxially arranged from left to right in sequence, a threaded hole 1-1-1 matched with an external pull rod is formed in the center of the right end face of the taper shank 1-1 along the axis N-N of the positioning shaft main body 1, the outer circle of the positioning cylinder 1-3 is matched with an inner hole of a circular blade 4, an external thread 1-3-1 matched with the fastening nut 3 is processed on the outer circle of the right end of the positioning cylinder 1-3, a through hole matched with the positioning cylinder 1-3 is formed in the end face of the retainer ring 2, the taper shank 1-1, the shaft body 1-2 and the positioning cylinder 1-3 are of an integrated structure, two circular blades 4 are sleeved on the positioning cylinders 1-3, the check ring 2 is positioned between the two circular blades 4, and the check ring 2 and the two circular blades 4 are fixed on the positioning shaft main body 1 through the fastening nuts 3.
Further, the outer diameter of the positioning cylinder 1-3 is smaller than that of the shaft body 1-2, a step is formed between the shaft body 1-2 and the positioning cylinder 1-3, a process clearance groove 1-2-1 is formed in the root of the step, and the radius of the process clearance groove 1-2-1 is 0.3 mm.
Further, the taper of the taper shank 1-1 is No. 2 Morse taper.
Furthermore, the left end face of the taper shank 1-1 is provided with an ejector pin conical surface 1-1-2, and an included angle between the ejector pin conical surfaces is alpha which is 60 degrees.
Furthermore, a center hole is formed in the center of the right end face of the positioning cylinder 1-3, and the inner diameter of the center hole is 1 mm.
Compared with the prior art, the utility model has the following effect:
1. utilize the circular knife piece coping during with location axle grinding, circular knife piece hole location is on the location cylinder of location axle main part, then utilize tightly decide the nut and press from both sides tightly, utilize this circular knife piece coping with the circular knife piece precision of beating of location axle grinding to reach within 0.03mm, satisfy operation requirement completely. The positioning shaft for grinding the circular blade can clamp two circular blades for grinding at a time, and effectively improves the grinding efficiency of the circular blade.
Drawings
Fig. 1 is a schematic structural view of a positioning shaft for grinding a circular blade according to the present invention.
Fig. 2 is a schematic structural view of the positioning shaft main body of the present invention.
Detailed Description
The first embodiment is as follows: the embodiment is described by combining with figures 1 and 2, the positioning shaft for grinding the circular blade comprises a positioning shaft main body 1, a retainer ring 2 and a fastening nut 3, the positioning shaft main body 1 comprises a taper shank 1-1, a shaft body 1-2 and a positioning cylinder 1-3, the taper shank 1-1, the shaft body 1-2 and the positioning cylinder 1-3 are coaxially arranged from left to right in sequence, a threaded hole 1-1-1 for matching with an external pull rod is formed in the center of the right end face of the taper shank 1-1 along the axis N-N of the positioning shaft main body 1, the excircle of the positioning cylinder 1-3 is matched with the inner hole of the circular blade 4, the excircle of the right end of the positioning cylinder 1-3 is provided with an external thread 1-3-1 matched with the fastening nut 3, the end face of the retainer ring 2 is provided with a through hole matched with the positioning cylinder 1-3, the taper shank 1-1, the shaft body 1-2 and the positioning cylinder 1-3 are of an integrated structure, the two circular blades 4 are sleeved on the positioning cylinder 1-3, the retainer ring 2 is positioned between the two circular blades 4, and the retainer ring 2 and the two circular blades 4 are fixed on the positioning shaft main body 1 through the fastening nuts 3.
The diameter of the positioning cylinder 1-3 of the embodiment is 4.4mm, and the circular blade 4 is positioned and installed on the positioning cylinder 1-3 by the inner hole thereof. The outer diameter of the external thread 1-3-1 of the positioning cylinder 1-3 is 4mm, the external thread 1-3-1 is matched with the fastening nut 3, and the two circular blades 4 are fixed on the positioning shaft main body 1 by the fastening nut 3. The retainer ring 2 is used for keeping the two circular blades 4 apart by a certain distance and leaving a grinding space for the grinding wheel.
The second embodiment is as follows: referring to fig. 2, the outer diameter of the positioning cylinder 1-3 of the present embodiment is smaller than the outer diameter of the shaft body 1-2, a step is formed between the shaft body 1-2 and the positioning cylinder 1-3, the root of the step is provided with a process clearance groove 1-2-1, and the radius of the process clearance groove 1-2-1 is 0.3 mm. So arranged, the circular blade 4 can be tightly attached to the right end surface of the shaft body 1-2. Other components and connections are the same as in the first embodiment.
The third concrete implementation mode: the taper of the taper shank 1-1 of the present embodiment is a No. 2 morse taper, which will be described with reference to fig. 2. According to the arrangement, the positioning shaft is positioned and installed in a taper hole of a main shaft of a machine tool through the taper shank 1-1, the threaded hole 1-1-1 is matched with an external pull rod, the inner diameter of the threaded hole 1-1-1 is 10mm, and the main body 1 of the positioning shaft is tightened in the taper hole of the main shaft of the machine tool through the external pull rod. Other compositions and connections are the same as in the first or second embodiments.
The fourth concrete implementation mode: referring to fig. 2, the left end surface of the taper shank 1-1 of the present embodiment is provided with an ejector pin taper surface 1-1-2, and an included angle α between the ejector pin taper surfaces is 60 °. The arrangement is such that the outer thimble can be tightly attached to the thimble conical surface 1-1-2 of the taper shank 1-1. Other compositions and connection relationships are the same as in the first, second or third embodiment.
The fifth concrete implementation mode: referring to fig. 2, the present embodiment is described, in which a center position of a right end surface of a positioning cylinder 1-3 of the present embodiment is provided with a center hole having an inner diameter of 1 mm. So arranged, the circular blade 4 can be tightly attached to the end face of the shaft body 1-2. Other compositions and connection relationships are the same as those in the first, second, third or fourth embodiment.
Principle of operation
The working principle of the present invention is explained with reference to fig. 1 and 2: a circular blade 4, a retainer ring 2 and another circular blade 4 are sequentially arranged on a positioning cylinder 1-3 from left to right, the two circular blades 4 are fixed on a positioning shaft main body 1 through a fastening nut 3, the positioning shaft main body 1 is arranged in a machine tool main shaft taper hole through a left end taper shank 1-1, and the right end of the positioning shaft main body 1 is tightly jacked with an external center to complete installation. And finally, grinding the front angle and the rear angle of the two circular blades 4 respectively by using corresponding grinding wheels to meet the requirements.
Claims (5)
1. The utility model provides a positioning shaft for sharpening circular blades which characterized in that: the positioning shaft comprises a positioning shaft main body (1), a check ring (2) and a fastening nut (3), wherein the positioning shaft main body (1) comprises a taper shank (1-1), a shaft body (1-2) and a positioning cylinder (1-3), the taper shank (1-1), the shaft body (1-2) and the positioning cylinder (1-3) are coaxially arranged from left to right in sequence, a threaded hole (1-1-1) matched with an external pull rod is formed in the center of the right end face of the taper shank (1-1) along the axis (N-N) of the positioning shaft main body (1), the excircle of the positioning cylinder (1-3) is matched with the inner hole of a circular blade (4), the excircle of the right end face of the positioning cylinder (1-3) is provided with an external thread (1-3-1) matched with the fastening nut (3), and the end face of the check ring (2) is provided with a through hole matched with the positioning cylinder (1-3), the taper shank (1-1), the shaft body (1-2) and the positioning cylinder (1-3) are of an integrated structure, the two circular blades (4) are sleeved on the positioning cylinder (1-3), the check ring (2) is located between the two circular blades (4), and the check ring (2) and the two circular blades (4) are fixed on the positioning shaft main body (1) through the fastening nut (3).
2. The positioning shaft for sharpening a circular blade according to claim 1, wherein: the outer diameter of the positioning cylinder (1-3) is smaller than that of the shaft body (1-2), a step is formed between the shaft body (1-2) and the positioning cylinder (1-3), a process clearance groove (1-2-1) is arranged at the root of the step, and the radius of the process clearance groove (1-2-1) is 0.3 mm.
3. The positioning shaft for sharpening a circular blade according to claim 1, wherein: the taper of the taper shank (1-1) is No. 2 Morse taper.
4. The positioning shaft for sharpening a circular blade according to claim 3, wherein: the left end face of the taper shank (1-1) is provided with an ejector pin conical surface (1-1-2), and the included angle between the ejector pin conical surfaces is alpha which is 60 degrees.
5. The positioning shaft for sharpening a circular blade according to claim 1, wherein: the center of the right end face of the positioning cylinder (1-3) is provided with a center hole, and the inner diameter of the center hole is 1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920656713.1U CN209868309U (en) | 2019-05-08 | 2019-05-08 | Positioning shaft for grinding circular blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920656713.1U CN209868309U (en) | 2019-05-08 | 2019-05-08 | Positioning shaft for grinding circular blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209868309U true CN209868309U (en) | 2019-12-31 |
Family
ID=68964928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920656713.1U Active CN209868309U (en) | 2019-05-08 | 2019-05-08 | Positioning shaft for grinding circular blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209868309U (en) |
-
2019
- 2019-05-08 CN CN201920656713.1U patent/CN209868309U/en active Active
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